Home / 349,826.80-524,999.40-139,615.60

Finding the Fourth Proportional to 349,826.80, 524,999.40 and 139,615.60

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Solution

The fourth proportional to 349,826.80, 524,999.40 and 139,615.60 is: 209,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,826.80 : 524,999.40 = 139,615.60 : x
  2. Step 2: Convert to fraction form
    349,826.80/524,999.40 = 139,615.60/x
  3. Step 3: Cross multiply
    349,826.80x = 524,999.40 × 139,615.60
  4. Step 4: Simplify right side
    349,826.80x = 73,298,106,230.64
  5. Step 5: Solve for x
    x = 73,298,106,230.64/349,826.80
  6. Step 6: Final answer
    x = 209,526.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.